The Portuguese shot-stopper has spent the current campaign with Sporting, making eight appearances in all competitions.
O Jogo says a permanent deal has been considered but the club are not willing to pay the £5million asking price that is understood to have been set.
Discussing Sporting's stance on Virginia, Amorim said: "We are going to try a new loan for João, we are very happy.
"He played more at Sporting than the time he spent at Everton. He will be a Sporting starting goalkeeper."
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